74% (2021)

69% (2018)

67% (1999)

62% (2009)

56% (2022)

63% (2008)

70% (1993)

68% (1986)

69% (1979)

55% (2006)

76% (1986)

71% (2022)

66% (2013)

72% (1974)

67% (2016)

65% (1997)

67% (1997)

64% (1995)

72% (2022)

64% (1962)